InChI=1/C16H23N5O/c1-15(2)8-11(9-16(3,4)20-15)19-14(22)12-10-18-21-7-5-6-17-13(12)21/h5-7,10-11,20H,8-9H2,1-4H3,(H,19,22)/p+1/fC16H24N5O/h19-20H/q+1 E14D3F3D2DD22B93